reorganizing some more

Chapter 12/Code Samples/ch12_asyncawait.js

@@ -1,16 +0,0 @@
-function saySomething(x) {
-    return new Promise(resolve => {
-        setTimeout(() => {
-            resolve('something' + x);
-        }, 2000);
-    });
-}
-
-async function talk(x) {
-    const words = await saySomething(x);
-    console.log(words);
-}
-
-talk(2);
-talk(4);
-talk(8);

Chapter 12/Code Samples/ch12_callbacks.js

@@ -1,63 +0,0 @@
-function doSomething(callback) {  
-    callback();
-}
-
-function sayHi() {
-    console.log("Hi!");
-}
-
-doSomething(sayHi);
-
-
-function judge(grade) {
-    switch (true) {
-        case grade == "A":
-            console.log("You got an", grade, ": amazing!");
-            break;
-        case grade == "B":
-            console.log("You got a", grade, ": well done!");
-            break;
-        case grade == "C":
-            console.log("You got a", grade, ": alright.");
-            break;
-        case grade == "D":
-            console.log("You got a", grade, ": hmmm...");
-            break;
-        default:
-            console.log("An", grade, "! What?!");
-    }
-}
-
-function getGrade(score, callback) {
-    let grade;
-    switch (true) {
-        case score >= 90:
-            grade = "A";
-            break;
-        case score >= 80:
-            console.log(score);
-            grade = "B";
-            break;
-        case score >= 70:
-            grade = "C";
-            break;
-        case score >= 60:
-            grade = "D";
-            break;
-        default:
-            grade = "F";
-    }
-    judge(grade);
-}
-
-getGrade(85, judge);
-
-setInterval(500, encourage);
-
-function encourage() {
-    console.log("You're doing great, keep going!");
-}
-
-setInterval(function () {
-    console.log("You're doing great, keep going!");
-}, 500)

Chapter 12/Code Samples/ch12_chainedpromises.js

@@ -1,26 +0,0 @@
-const promise = new Promise((fulfill, reject) => {
-    fulfill('success!');
-    //reject('oops...');
-})
-    .then(value => {
-        console.log(value);
-        return 'we';
-    })
-    .then(value => {
-        console.log(value);
-        return 'can';
-    })
-    .then(value => {
-        console.log(value);
-        return 'chain';
-    })
-    .then(value => {
-        console.log(value);
-        return 'promises';
-    })
-    .then(value => {
-        console.log(value);
-    })
-    .catch(value => {
-        console.log(value);
-    })

Chapter 12/Code Samples/ch12_promises.js

@@ -1,19 +0,0 @@
-let promise = new Promise(function (resolve, reject) {
-    // do something that might take a while
-    // let's just set x instead for this example  
-    let x = 20;
-    if (x > 10) {
-        resolve(x); // on success
-    } else {
-        reject("Too low");  // on error
-    }
-});
-
-promise.then(
-    function (value) {
-        console.log("Success:", value)
-    },
-    function (error) {
-        console.log("Error:", error)
-    }
-);